Here is the full list of all 41 The Serpent Rogue achievements.
Research all Ingredients in your Journal
Spend 500 Food to speed up time while sleeping
Tame a Valravn
Discover 15 Creatures in the Journal
Brew 30 Unique Potions
Apply the "Stinky" status effect to yourself or an NPC 3 times
Open 25 Locks using a Picklock
Bind 10 Creatures from the Mavka
Lay 5 Eggs
Using water, extinguish fire from yourself 3 times
Resurrect 5 followers with the Undertaker
Play with 5 different Creatures
Shoot down 5 flying Chickens
Block incoming damage with a Broom 50 times
Bind 15 people from the Harbormaster
Brew 15 Unique Potions
Open 3 Moonstone Chests
Destroy 10 Soul Vessels
Catch 15 Butterflies
Discover a Dobhar Chu
Collect 500 Gold Coins
Remove Corruption from 12 Creatures
Cook 20 different dishes
Complete a Fallen Warrior Quest
Remove Poison from yourself or your followers 10 times
Discover the location of the Undertaker
Gather 10 Followers in the Camp location
Create 5 Creatures
Brew 10 Sloppy Potions
Eat raw food 5 times
Enhance 10 Weapons in the Smeltery
Buy 5 Items From the Merchant House
Find the Fighting Pit
Discover the Gorgon's Location
Disperse 3 Ghouls using the Undertaker
"Receive 100 total damage from enemies "
Find 25 Worms in Stumps
Light up an extinguished Torch
Catch 25 Fish in Water Banks
Steal 8 Items from Creatures
Craft a Sanctum Vessel